搜索资源列表
Substituter.java
- 代入法的启发示搜索 我的代码实现是：按照自然语言各字母出现频率的大小从高到低（已经有人作国统计分析了）先生成一张字母出现频率统计表（A）--------(e),(t,a,o,i,n,s,h,r),(d,l),(c,u,m,w,f,g,y,p,b),(v,k,j,x,q,z) ，再对密文字母计算频率，并按频率从高到低生成一张输入密文字母的统计表（B），通过两张表的对应关系，不断用A中的字母去替换B中的字母，搜索不成功时就回退，在这
weishujituanfashengqishejishili
- 伪随机图案发生器设计实例，也是可以拿来用的，扩频和跳频通信有用-pseudo-random pattern generator design examples, and can be used with the frequency hopping spread spectrum communication and useful
ofdm2
- 这是一个仿真移动通信信道幅频响应的matlab仿真程序。-This is a simulation of mobile communications channel amplitude frequency response of Matlab simulation program.
afc
- Frequency estimation by searching the pure tone frequency with 2-pole filter-Frequency estimation by searching the pur e tone frequency with 2-pole filter
nRF2401Driver
- nRF2401驱动程序 nRF2401无线射频芯片，驱动程序，可直接应用到您的开发中-nRF2401 driver nRF2401 radio frequency chips, drivers, can be directly applied to your development
FDM2
- 基于matlab的时分复用和频分复用的方针-based on the time division multiplexing Matlab and frequency division multiplexing approach
Freq_counter
- 本代码介绍了使用VHDL开发FPGA的一般流程，最终采用了一种基于FPGA的数字频率的实现方法。该设计采用硬件描述语言VHDL，在软件开发平台ISE上完成，可以在较高速时钟频率（100MHz）下正常工作。该设计的频率计能准确的测量频率在1Hz到100MHz之间的信号。使用ModelSim仿真软件对VHDL程序做了仿真，并完成了综合布局布线，最终下载到芯片Spartan-II上取得良好测试效果。-the code on the FPGA
relativemotion
- This code is used for modeling frequency response and phase change of accelerometer.
resizeindctdomain
- dct频域进行图像缩放的源码，非常有用。可以很快的进行图像缩放，免去了DECODE再插值。-DCT frequency domain image scaling for the source, very useful. Can be quickly carried out the image scaling, which eliminates the re-interpolation Decode.
CE018_FFT_DSPlib
- 快速傅立叶变换！！完成时域到频域的快速转换！用DSPIC完成-Fast Fourier Transform! ! Completion of time-domain to frequency domain conversion of the fast! Complete with dsPIC
edm3jitrpll
- Jitter is extremely important in systems using PLL-based clock drivers. The effects of jitter range from not having any effect on system operation to rendering the system completely non-functional. This application
frequency_estimation
- OFDM信号的频偏校正程序，用于估计子带上的频率偏移。-OFDM signals in frequency offset correction procedure used to estimate the sub-band frequency deviation.
CDMA
- 该程序源代码实现了CDMA通信系统性能的仿真，用MATLAB实现了直序、跳时、跳频以及M序列，GOLD序列等的产生，及在AWGN和RAYLEIGH环境下误码率的计算-The program source code to achieve the performance of CDMA communication system simulation, using MATLAB realize the direct sequence, tim
clk_div
- vhdl语言描述分频器，实现2、4、8、16……分频，经过实践-descr iption language VHDL divider, 2,4,8,16 ... ... realize frequency, through the practice of
Frequencydetect
- 用凌阳16位单片机测试输入波形的频率，动态刷新显示-Sunplus 16-bit single-chip microcomputer used to test the frequency of input waveform, dynamic refresh display
Ficp_MCZT
- 对低频段的带通信号进行高精度的时延估计，有详细说明。-Of low-frequency band signal for high-precision time-delay estimation, has a detailed descr iption.
LFM2_mp_1
- 信号与信息处理——阵列信号处理DOA估计的matlab算法，这是线性调频信号的稀疏分解算法，针对频率的变化性能-Signal and information processing- array signal processing matlab algorithm for DOA estimation, which is a linear FM signal sparse decomposition algorithm, for the
math2
- 一些数学处理函数，包括：用频域最小误差平方方法设计线性相位FIR低通数字滤波器、最小均方(LMS)算法的自适应数字滤波、离散小波变化函数-Deal with some mathematical functions, including: use of frequency domain methods of design of the smallest square error linear phase FIR low-pass digi
DFT
- 自己实现的一维、二维DFT。优点：变换后的低频分量在中间，弥补了matlab库函数的不足（高频分量在中间）-Realize their own one-dimensional, two-dimensional DFT. Advantages: low-frequency components after the transformation in the middle, made up for the inadequacy of mat
WVD
- WVD变换的matlab工具包，非常有用的信号时频分析工具-WVD transform matlab toolkit, a very useful time-frequency analysis tool